Spec: SBR1712

Memo: SINOPEC 

Class: Sinopec Synthetic Rubber Series

Manufacturer:SINOPEC, CHINA

Volatile matter:0.36%

Organic acid:4.47%

Soap:0.50%...

SBR1712 , The aromatic oil used is an efficient plasticizer for high molecular

weight SBR and results in superior physical and processing properties compared to other oil-extended rubbers.

It is used on tires , belts, and other goods compounds where color and staining are not decisive factors.

Property			Test Method
A	B	C
Volatile matter /%(m/m)		≤0.60	≤0.80	≤1.00	GB/T 6737-1997
Ash /%(m/m)		≤0.50			GB/T 4498-1997 A
Organic acid /%(m/m)		3.90-5.70			GB/T 8657-2000
Soap /%(m/m)		≤0.50
Bound styrene /%(m/m)		22.5-24.5			GB/T 8658-1998
Oil /%(m/m)		25.3-29.3	24.3-30.3		SH/T 1718-2002
Mooney viscosity ML(1+4)100°C		44-54	43-55	42-56	GB/T 1232.1-2000
Compound ML(1+4)100°C		≤70			GB/T 1232.1-2000 ASTM IRB No.7
300% (145°C)/MPa 300%Modulus	25min	9.8-13.8	9.3-14.3		GB/T 8656-1998 A ASTM IRB No.7 GB/T 528-1998
	35min	12.1-16.1	11.6-16.6
	50min	13.0-17.0	12.5-17.5
Tensile strength (145°C,35min)/MPa		≥19.4	≥18.4
Elongation (145°C,35min)/%